[1] Univ Childrens Hosp Muenster, Dept Pediat Hematol & Oncol, Infect Dis Res Program, Albert Schweitzer Campus 1,Bldg A1,Room 03-822, D-48149 Munster, Germany
[2] Univ Childrens Hosp Muenster, Ctr Bone Marrow Transplantat, Munster, Germany
[3] Erasmus MC, Dept Internal Med, Sect Infect Dis, Rotterdam, Netherlands
[4] Cornell Univ, Dept Med, Weill Cornell Med, New York, NY 10021 USA
[5] Cornell Univ, Dept Pediat, Weill Cornell Med, New York, NY 10021 USA
[6] Cornell Univ, Dept Microbiol & Immunol, Weill Cornell Med, New York, NY 10021 USA
[7] Calif State Polytech Univ Pomona, Dept Biol Sci, Pomona, CA 91768 USA
[8] Univ Bologna, Policlin St Orsola Malpighi, Dept Med Sci & Surg, Unit Infect Dis, Bologna, Italy
[9] Radboud Univ Nijmegen, Dept Pharm, Med Ctr, Nijmegen, Netherlands